diff options
Diffstat (limited to 'drivers/dma/dw-edma/dw-edma-v0-debugfs.c')
-rw-r--r-- | drivers/dma/dw-edma/dw-edma-v0-debugfs.c | 106 |
1 files changed, 55 insertions, 51 deletions
diff --git a/drivers/dma/dw-edma/dw-edma-v0-debugfs.c b/drivers/dma/dw-edma/dw-edma-v0-debugfs.c index 3226f528cc11..4b3bcffd15ef 100644 --- a/drivers/dma/dw-edma/dw-edma-v0-debugfs.c +++ b/drivers/dma/dw-edma/dw-edma-v0-debugfs.c @@ -14,7 +14,7 @@ #include "dw-edma-core.h" #define REGS_ADDR(name) \ - ((dma_addr_t *)®s->name) + ((void __force *)®s->name) #define REGISTER(name) \ { #name, REGS_ADDR(name) } @@ -38,38 +38,38 @@ #define CHANNEL_STR "channel" #define REGISTERS_STR "registers" -static struct dentry *base_dir; static struct dw_edma *dw; -static struct dw_edma_v0_regs *regs; +static struct dw_edma_v0_regs __iomem *regs; static struct { - void *start; - void *end; + void __iomem *start; + void __iomem *end; } lim[2][EDMA_V0_MAX_NR_CH]; struct debugfs_entries { - char name[24]; + const char *name; dma_addr_t *reg; }; static int dw_edma_debugfs_u32_get(void *data, u64 *val) { - if (dw->mode == EDMA_MODE_LEGACY && - data >= (void *)®s->type.legacy.ch) { - void *ptr = (void *)®s->type.legacy.ch; + void __iomem *reg = (void __force __iomem *)data; + if (dw->mf == EDMA_MF_EDMA_LEGACY && + reg >= (void __iomem *)®s->type.legacy.ch) { + void __iomem *ptr = ®s->type.legacy.ch; u32 viewport_sel = 0; unsigned long flags; u16 ch; for (ch = 0; ch < dw->wr_ch_cnt; ch++) - if (lim[0][ch].start >= data && data < lim[0][ch].end) { - ptr += (data - lim[0][ch].start); + if (lim[0][ch].start >= reg && reg < lim[0][ch].end) { + ptr += (reg - lim[0][ch].start); goto legacy_sel_wr; } for (ch = 0; ch < dw->rd_ch_cnt; ch++) - if (lim[1][ch].start >= data && data < lim[1][ch].end) { - ptr += (data - lim[1][ch].start); + if (lim[1][ch].start >= reg && reg < lim[1][ch].end) { + ptr += (reg - lim[1][ch].start); goto legacy_sel_rd; } @@ -86,7 +86,7 @@ legacy_sel_wr: raw_spin_unlock_irqrestore(&dw->lock, flags); } else { - *val = readl(data); + *val = readl(reg); } return 0; @@ -105,7 +105,7 @@ static void dw_edma_debugfs_create_x32(const struct debugfs_entries entries[], } } -static void dw_edma_debugfs_regs_ch(struct dw_edma_v0_ch_regs *regs, +static void dw_edma_debugfs_regs_ch(struct dw_edma_v0_ch_regs __iomem *regs, struct dentry *dir) { int nr_entries; @@ -113,12 +113,12 @@ static void dw_edma_debugfs_regs_ch(struct dw_edma_v0_ch_regs *regs, REGISTER(ch_control1), REGISTER(ch_control2), REGISTER(transfer_size), - REGISTER(sar_low), - REGISTER(sar_high), - REGISTER(dar_low), - REGISTER(dar_high), - REGISTER(llp_low), - REGISTER(llp_high), + REGISTER(sar.lsb), + REGISTER(sar.msb), + REGISTER(dar.lsb), + REGISTER(dar.msb), + REGISTER(llp.lsb), + REGISTER(llp.msb), }; nr_entries = ARRAY_SIZE(debugfs_regs); @@ -131,17 +131,17 @@ static void dw_edma_debugfs_regs_wr(struct dentry *dir) /* eDMA global registers */ WR_REGISTER(engine_en), WR_REGISTER(doorbell), - WR_REGISTER(ch_arb_weight_low), - WR_REGISTER(ch_arb_weight_high), + WR_REGISTER(ch_arb_weight.lsb), + WR_REGISTER(ch_arb_weight.msb), /* eDMA interrupts registers */ WR_REGISTER(int_status), WR_REGISTER(int_mask), WR_REGISTER(int_clear), WR_REGISTER(err_status), - WR_REGISTER(done_imwr_low), - WR_REGISTER(done_imwr_high), - WR_REGISTER(abort_imwr_low), - WR_REGISTER(abort_imwr_high), + WR_REGISTER(done_imwr.lsb), + WR_REGISTER(done_imwr.msb), + WR_REGISTER(abort_imwr.lsb), + WR_REGISTER(abort_imwr.msb), WR_REGISTER(ch01_imwr_data), WR_REGISTER(ch23_imwr_data), WR_REGISTER(ch45_imwr_data), @@ -151,8 +151,8 @@ static void dw_edma_debugfs_regs_wr(struct dentry *dir) const struct debugfs_entries debugfs_unroll_regs[] = { /* eDMA channel context grouping */ WR_REGISTER_UNROLL(engine_chgroup), - WR_REGISTER_UNROLL(engine_hshake_cnt_low), - WR_REGISTER_UNROLL(engine_hshake_cnt_high), + WR_REGISTER_UNROLL(engine_hshake_cnt.lsb), + WR_REGISTER_UNROLL(engine_hshake_cnt.msb), WR_REGISTER_UNROLL(ch0_pwr_en), WR_REGISTER_UNROLL(ch1_pwr_en), WR_REGISTER_UNROLL(ch2_pwr_en), @@ -173,7 +173,7 @@ static void dw_edma_debugfs_regs_wr(struct dentry *dir) nr_entries = ARRAY_SIZE(debugfs_regs); dw_edma_debugfs_create_x32(debugfs_regs, nr_entries, regs_dir); - if (dw->mode == EDMA_MODE_UNROLL) { + if (dw->mf == EDMA_MF_HDMA_COMPAT) { nr_entries = ARRAY_SIZE(debugfs_unroll_regs); dw_edma_debugfs_create_x32(debugfs_unroll_regs, nr_entries, regs_dir); @@ -199,19 +199,19 @@ static void dw_edma_debugfs_regs_rd(struct dentry *dir) /* eDMA global registers */ RD_REGISTER(engine_en), RD_REGISTER(doorbell), - RD_REGISTER(ch_arb_weight_low), - RD_REGISTER(ch_arb_weight_high), + RD_REGISTER(ch_arb_weight.lsb), + RD_REGISTER(ch_arb_weight.msb), /* eDMA interrupts registers */ RD_REGISTER(int_status), RD_REGISTER(int_mask), RD_REGISTER(int_clear), - RD_REGISTER(err_status_low), - RD_REGISTER(err_status_high), + RD_REGISTER(err_status.lsb), + RD_REGISTER(err_status.msb), RD_REGISTER(linked_list_err_en), - RD_REGISTER(done_imwr_low), - RD_REGISTER(done_imwr_high), - RD_REGISTER(abort_imwr_low), - RD_REGISTER(abort_imwr_high), + RD_REGISTER(done_imwr.lsb), + RD_REGISTER(done_imwr.msb), + RD_REGISTER(abort_imwr.lsb), + RD_REGISTER(abort_imwr.msb), RD_REGISTER(ch01_imwr_data), RD_REGISTER(ch23_imwr_data), RD_REGISTER(ch45_imwr_data), @@ -220,8 +220,8 @@ static void dw_edma_debugfs_regs_rd(struct dentry *dir) const struct debugfs_entries debugfs_unroll_regs[] = { /* eDMA channel context grouping */ RD_REGISTER_UNROLL(engine_chgroup), - RD_REGISTER_UNROLL(engine_hshake_cnt_low), - RD_REGISTER_UNROLL(engine_hshake_cnt_high), + RD_REGISTER_UNROLL(engine_hshake_cnt.lsb), + RD_REGISTER_UNROLL(engine_hshake_cnt.msb), RD_REGISTER_UNROLL(ch0_pwr_en), RD_REGISTER_UNROLL(ch1_pwr_en), RD_REGISTER_UNROLL(ch2_pwr_en), @@ -242,7 +242,7 @@ static void dw_edma_debugfs_regs_rd(struct dentry *dir) nr_entries = ARRAY_SIZE(debugfs_regs); dw_edma_debugfs_create_x32(debugfs_regs, nr_entries, regs_dir); - if (dw->mode == EDMA_MODE_UNROLL) { + if (dw->mf == EDMA_MF_HDMA_COMPAT) { nr_entries = ARRAY_SIZE(debugfs_unroll_regs); dw_edma_debugfs_create_x32(debugfs_unroll_regs, nr_entries, regs_dir); @@ -271,7 +271,7 @@ static void dw_edma_debugfs_regs(void) struct dentry *regs_dir; int nr_entries; - regs_dir = debugfs_create_dir(REGISTERS_STR, base_dir); + regs_dir = debugfs_create_dir(REGISTERS_STR, dw->debugfs); if (!regs_dir) return; @@ -288,23 +288,27 @@ void dw_edma_v0_debugfs_on(struct dw_edma_chip *chip) if (!dw) return; - regs = (struct dw_edma_v0_regs *)dw->rg_region.vaddr; + regs = dw->rg_region.vaddr; if (!regs) return; - base_dir = debugfs_create_dir(dw->name, 0); - if (!base_dir) + dw->debugfs = debugfs_create_dir(dw->name, NULL); + if (!dw->debugfs) return; - debugfs_create_u32("version", 0444, base_dir, &dw->version); - debugfs_create_u32("mode", 0444, base_dir, &dw->mode); - debugfs_create_u16("wr_ch_cnt", 0444, base_dir, &dw->wr_ch_cnt); - debugfs_create_u16("rd_ch_cnt", 0444, base_dir, &dw->rd_ch_cnt); + debugfs_create_u32("mf", 0444, dw->debugfs, &dw->mf); + debugfs_create_u16("wr_ch_cnt", 0444, dw->debugfs, &dw->wr_ch_cnt); + debugfs_create_u16("rd_ch_cnt", 0444, dw->debugfs, &dw->rd_ch_cnt); dw_edma_debugfs_regs(); } -void dw_edma_v0_debugfs_off(void) +void dw_edma_v0_debugfs_off(struct dw_edma_chip *chip) { - debugfs_remove_recursive(base_dir); + dw = chip->dw; + if (!dw) + return; + + debugfs_remove_recursive(dw->debugfs); + dw->debugfs = NULL; } |